Patents by Inventor Ernest Beriger

Ernest Beriger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • O-ethyl-S-N-propyl-O-(2-chloro-4-bromophenyl)-thiophosphate
    Patent number: 3992533
    Abstract: The thiophosphoric acid phenylester of the formula ##SPC1##Its manufacture and use in pest control is disclosed.
    Type: Grant
    Filed: March 14, 1975
    Date of Patent: November 16, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernest Beriger, Jozef Drabek